6600060402440 has 16 divisors (see below), whose sum is σ = 14850135905580. Its totient is φ = 2640024160960.

The previous prime is 6600060402433. The next prime is 6600060402457. The reversal of 6600060402440 is 442040600066.

It can be written as a sum of positive squares in 2 ways, for example, as 6587425293604 + 12635108836 = 2566598^2 + 112406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6600060402397 and 6600060402406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82500754991 + ... + 82500755070.

Almost surely, 2^{6600060402440} is an apocalyptic number.

It is an amenable number.

6600060402440 is an abundant number, since it is smaller than the sum of its proper divisors (8250075503140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6600060402440 is a wasteful number, since it uses less digits than its factorization.

6600060402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165001510072 (or 165001510068 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 6600060402440 in words is "six trillion, six hundred billion, sixty million, four hundred two thousand, four hundred forty".